25151540340 has 48 divisors (see below), whose sum is σ = 70704930240. Its totient is φ = 6680352000.

The previous prime is 25151540327. The next prime is 25151540369. The reversal of 25151540340 is 4304515152.

It is a super-3 number, since 3×25151540340³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25151540298 and 25151540307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819985 + ... + 850104.

It is an arithmetic number, because the mean of its divisors is an integer number (1473019380).

Almost surely, 2^25151540340 is an apocalyptic number.

25151540340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25151540340 is an abundant number, since it is smaller than the sum of its proper divisors (45553389900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25151540340 is a wasteful number, since it uses less digits than its factorization.

25151540340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670352 (or 1670350 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25151540340 in words is "twenty-five billion, one hundred fifty-one million, five hundred forty thousand, three hundred forty".